Planets: Inner vs Outer (Part 2)

What You'll Learn

Earth rotates on its axis once every 24 hours, causing day and night. The side facing the sun experiences day, while the opposite side experiences night.

Key Words

revolution
constellation
asteroid

Steps

Step 1 — Read

Read about Space and write down three key facts.

Step 2 — Do

Track the moon's phase each night for two weeks. Draw what you see and identify the pattern.

Step 3 — Observe

Watch carefully for any changes and note the time.

Step 4 — Record

Create a data table to organize your measurements.

Check Your Understanding

Question 1

1 of 3

Why do we have day and night?